{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:53.051303", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2020-Oct-22_to_2020-Oct-26_97.5_38.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2020100002267}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "October 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 26 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 65447.52804035846}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["China"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 38.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 97.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "97.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 95.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 99.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 39.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[99.5, 39.75], [100.03, 39.53], [100.25, 39.0], [100.03, 38.47], [99.5, 38.25], [98.97, 38.47], [98.75, 39.0], [98.97, 39.53], [99.5, 39.75]]]]}, "2020-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.5, 39.75], [97.75, 39.65], [98.0, 39.75], [98.25, 39.65], [98.5, 39.75], [98.75, 39.65], [99.0, 39.75], [99.25, 39.65], [99.5, 39.75], [100.03, 39.53], [100.25, 39.0], [100.04, 38.5], [100.25, 38.0], [100.03, 37.47], [99.5, 37.25], [98.97, 37.47], [98.82, 37.82], [98.75, 37.85], [98.5, 37.75], [98.25, 37.85], [98.0, 37.75], [97.75, 37.85], [97.5, 37.75], [97.25, 37.85], [97.0, 37.75], [96.47, 37.97], [96.25, 38.5], [96.47, 39.03], [96.82, 39.18], [96.97, 39.53], [97.5, 39.75]]]]}, "2020-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 39.03], [95.5, 39.25], [95.75, 39.15], [95.82, 39.18], [95.97, 39.53], [96.5, 39.75], [96.75, 39.65], [97.0, 39.75], [97.25, 39.65], [97.5, 39.75], [97.75, 39.65], [98.0, 39.75], [98.25, 39.65], [98.5, 39.75], [98.75, 39.65], [99.0, 39.75], [99.25, 39.65], [99.5, 39.75], [100.03, 39.53], [100.25, 39.0], [100.04, 38.5], [100.25, 38.0], [100.15, 37.75], [100.25, 37.5], [100.03, 36.97], [99.5, 36.75], [99.25, 36.85], [99.0, 36.75], [98.75, 36.85], [98.5, 36.75], [97.97, 36.97], [97.82, 37.32], [97.75, 37.35], [97.5, 37.25], [97.25, 37.35], [97.0, 37.25], [96.75, 37.35], [96.5, 37.25], [96.25, 37.35], [96.0, 37.25], [95.75, 37.35], [95.5, 37.25], [94.97, 37.47], [94.75, 38.0], [94.85, 38.25], [94.75, 38.5], [94.97, 39.03]]]]}, "2020-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[94.97, 39.03], [95.5, 39.25], [95.75, 39.15], [95.82, 39.18], [95.97, 39.53], [96.5, 39.75], [96.75, 39.65], [97.0, 39.75], [97.25, 39.65], [97.5, 39.75], [97.75, 39.65], [98.0, 39.75], [98.25, 39.65], [98.5, 39.75], [98.75, 39.65], [99.0, 39.75], [99.53, 39.53], [99.75, 39.0], [99.65, 38.75], [99.68, 38.68], [100.03, 38.53], [100.25, 38.0], [100.15, 37.75], [100.25, 37.5], [100.03, 36.97], [99.5, 36.75], [99.25, 36.85], [99.0, 36.75], [98.75, 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